Organization
|
Position
|
Year
|
| Society of Magazine Writers Member |
|
1960-1974 |
| Dayton (Ohio) Museum of Natural History |
Life Member |
1963-Present |
| Dayton (Ohio) Museum of Natural History |
Trustee |
1963-1965 |
| La Salle Extension University |
Chicago Consultant |
1967-19__ |
The Lemon Bay Conservancy,
Englewood, Florida |
Founder, Chairman
of the board |
1970-19__ |
| The Author's Guild |
Member |
1980-19__ |
| Mazon Creek Paleontological Society, Northeastern
Illinois University Mazon Creek Project, |
Chicago Life member |
1986-19__ |
| American Society of Gemcutters |
Member |
1990-19__ |
